seb-win-refactoring/SafeExamBrowser.Monitoring.Contracts/Keyboard/IKeyboardInterceptor.cs

21 lines
793 B
C#

/*
* Copyright (c) 2019 ETH Zürich, Educational Development and Technology (LET)
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Monitoring.Contracts.Keyboard
{
/// <summary>
/// Intercepts all keyboard input (except the Secure Attention Sequence: https://en.wikipedia.org/wiki/Secure_attention_key).
/// </summary>
public interface IKeyboardInterceptor
{
/// <summary>
/// Returns <c>true</c> if the given key should be blocked, otherwise <c>false</c>. The key code corresponds to a Win32 Virtual-Key.
/// </summary>
bool Block(int keyCode, KeyModifier modifier, KeyState state);
}
}